Home / 11,018.28-15,199.58-7,035.20

Finding the Fourth Proportional to 11,018.28, 15,199.58 and 7,035.20

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Solution

The fourth proportional to 11,018.28, 15,199.58 and 7,035.20 is: 9,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.28 : 15,199.58 = 7,035.20 : x
  2. Step 2: Convert to fraction form
    11,018.28/15,199.58 = 7,035.20/x
  3. Step 3: Cross multiply
    11,018.28x = 15,199.58 × 7,035.20
  4. Step 4: Simplify right side
    11,018.28x = 106,932,085.22
  5. Step 5: Solve for x
    x = 106,932,085.22/11,018.28
  6. Step 6: Final answer
    x = 9,704.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.